10121 Brock Dr, Silver Spring, MD 20903 Property Records

Montgomery County property record for 10121 Brock Dr, Silver Spring, MD 20903

Property Summary

Property Type	Single Family Home
Details	2.5 ba · 1,860 sqft · built 1960
Lot Size	0.25 acres (10,875 sqft)
Owner	2 Individual Names on File
Last Sale	$180,000 (Apr 1995)
Tax Bill	$5,387 (2025)
Flood Zone	Zone X (minimal risk)
APN	`05-00320147`

Property Details

APN / Parcel Number

Primary APN	`05-00320147`
Alternative APN	`00320147`

Interior

Full Baths	2.5 Baths
Half Baths	1 Half Bath
Stories	2 Stories
Building Area	1,860 sqft Living Area
1st Floor Area	1,216 sqft

Exterior

Year Built	Built 1960
Effective Year Built	Effective 1960
Architectural Style	Bi-Level
Exterior Material	Combination
Construction Type	Brick
Roof Material	Composition Shingle
Lot Area	10,875 sqft (0.25 acres)
Deck Area	144 sqft
Patio Area	120 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC
Sewer	Municipal

Location & Zoning

Account Number	00320147
Street Address	10121 BROCK DR
City	SILVER SPRING
State	MD
Zip	20903-1619
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R90
Legal Description	HILLANDALE HEIGHTS
Legal Subdivision	HILLANDALE HGTS
Legal Block	8
Legal Lot Number	29
Jurisdiction	MONTGOMERY MD
Township / Civil Division	5
Census Block Group	3
Census Block	3008
Census Tract	701505

Owner

Source: Montgomery County records · APN 05-00320147

Assessment roll updated August 17, 2026 · Last verified August 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on File
Mailing Address	10121 BROCK DR, SILVER SPRING, MD 20903-1619
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Apr 21, 1995 · Amount on Record
Deed Sale	Apr 21, 1995 · Amount on Record
Deed Book / Page	13360 / 185
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Montgomery County records · Assessment roll updated August 17, 2026 · Last verified August 2026

Property Jurisdictions

Type	Name
State	Maryland
County	Montgomery County
Unified School District	Montgomery County Public Schools (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$493,100 (+7.9%) Land $218,600 Building $274,500	$493,100 (-) Land $218,600 Building $274,500
2025	$5,387.00 (+30.85%)	$457,000 (+18.76%)	$493,100 (+28.14%) Land $218,600 Building $274,500
2023		$384,800 Land $218,600 Building $166,200	$384,800 Land $218,600 Building $166,200
2022	$4,117.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Montgomery County (24031C), as of April 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 240317015053, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	3 in force
Nearby Flood Claims	3 (2015–2024)
Claims Outside the SFHA	3 of 3
Most Recent Claim	Jan 2024 · other causes

Wildfire

Wildfire Risk	Low lower than 99.1% of the US · lower than 98.5% of Maryland
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Verizon Fiber	2,300 / 2,300
Xfinity Cable	2,000 / 250

Based on FCC filings for 331 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system MD0150005, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	WASHINGTON SUBURBAN SANITARY COMMISSION serves 1,900,000 people
Water Source	Surface water
Last State Inspection	May 2025
Lead	Under 1 ppb (2018–2020) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.